Removing gearbox - vehicles with 6-cylinder 3.0 ltr. TDI engine — AUDI

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018); platform code 4X

• Opens: coolant

Don't miss

• Place a cloth below the connection to catch escaping ATF.
• Place a cloth underneath ATF cooler to catch escaping coolant.
• When you then turn the crankshaft, only turn crankshaft in direction of engine rotation (arrow).
• Detach starter from gearbox but do not remove starter.
• For illustration purposes, the gearbox support T40173 is not shown.

📋 Procedure

1. Bring front wheels into straight-ahead position.
2. ⚠ When disconnecting the battery there is a risk of serious damage to electronic components:Observe the correct procedure for disconnecting the battery. — Disconnect earth wire (2) from battery terminal Electrical system27Battery; Disconnecting and connecting battery.
3. Remove front wheels Running gear, axles, steering44Wheels, tyres.
4. Remove cover (1) for drive shaft from wheel housing (both sides) General body repairs, exterior66Noise insulation; Exploded view - noise insulation.
5. Remove bolts (left and right) (arrows) and detach heat shield (1).

6. Remove noise insulation (1) and (2)General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
7. Remove particulate filter and front exhaust pipe 26Exhaust pipes/silencers; Exploded view - silencers.
8. Drain coolant 19Cooling system/coolant; Draining and filling cooling system. [Note: Place a cloth below the connection to catch escaping ATF.]
9. Unscrew bolt (arrow) and detach ATF lines from gearbox.
10. Seal off open lines and connections with clean plugs from engine bung setVAS 6122.
11. Remove bolts (2 … 5) securing gearbox to engine (accessible from above).
12. Fit body brace in installation position and screw in bolts hand-tight.
13. Secure engine with tensioning strap T10038 as shown in illustration.
14. Remove bolts (arrows) and detach heat shield for drive shaft (right-side).
15. Unbolt drive shafts (left and right) from flange shafts of gearbox Running gear, axles, steering40Drive shaft; Removing and installing drive shaft.
16. Use removal lever80 - 200 to press ball socket (1) on selector lever cable off gearbox selector lever.
17. Remove bolts (2) for cable support bracket.
18. Move selector lever cable clear.
19. ⚠ The gearbox control unit (mechatronic unit) can be irreparably damaged by electrostatic discharge.Before handling electrical connectors, mechanic must discharge static. To do so, touch an earthed metal object, such as a heater radiator or lifting platform, with your hand.Do not touch contact pins in gearbox connector with bare hands. — Turn fastener anti-clockwise (arrow) and unplug electrical connector on gearbox.
20. Detach intermediate steering shaft from steering rack and telescope splines upwards Running gear, axles, steering48Steering column; Removing and installing intermediate steering shaft.
21. Remove subframe cross brace Running gear, axles, steering40Subframe; Removing and installing subframe cross brace. [Note: Place a cloth underneath ATF cooler to catch escaping coolant.]
22. ⚠ Risk of damage to parts of the running gear.Do not let the vehicle down on the wheels if the gearbox mounting, steering rack or subframe cross brace are not properly installed. — Release hose clips (1 and 2) and disconnect coolant hoses.
23. Remove bolts (arrows) and detach ATF cooler.
24. Unplug electrical connector (2) for steering rack (to do so, push retainer towards rear (arrow) and press down release catch).
25. Unplug electrical connector (1).
26. Release electrical wiring for engine speed sender G28 at gearbox.
27. Pull cover (1) off bottom of gearbox (arrow).
28. Fit tools together, as shown in illustration.
29. To slacken bolts for dual-mass flywheel, counterhold crankshaft. [Note: When you then turn the crankshaft, only turn crankshaft in direction of engine rotation (arrow).]
30. Remove 6 bolts (arrow) for drive plate (turn crankshaft 60° in direction of engine rotation each time).
31. Remove bolt (1) for starter.
32. Detach starter from gearbox but do not remove starter.
33. Remove remaining engine/gearbox securing bolts (6 … 11).
34. Position engine and gearbox jackV.A.G 1383 A with gearbox support T40173 underneath gearbox and secure with tensioning strap (1) as shown in illustration. [Note: For illustration purposes, the gearbox support T40173 is not shown.]
35. Remove bolts (arrows) for tunnel cross member. [Note: (Item 1) can be disregarded.]
36. Detach gearbox from engine and lower carefully using engine and gearbox jackV.A.G 1383 A.

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